2554217 has 4 divisors (see below), whose sum is σ = 2563716. Its totient is φ = 2544720.

The previous prime is 2554187. The next prime is 2554231. The reversal of 2554217 is 7124552.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1449616 + 1104601 = 1204^2 + 1051^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2554217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2554247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4334 + ... + 4887.

It is an arithmetic number, because the mean of its divisors is an integer number (640929).

2^2554217 is an apocalyptic number.

It is an amenable number.

2554217 is a deficient number, since it is larger than the sum of its proper divisors (9499).

2554217 is an equidigital number, since it uses as much as digits as its factorization.

2554217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498.

The product of its digits is 2800, while the sum is 26.

The square root of 2554217 is about 1598.1917907435. The cubic root of 2554217 is about 136.6949898334.

Adding to 2554217 its reverse (7124552), we get a palindrome (9678769).

The spelling of 2554217 in words is "two million, five hundred fifty-four thousand, two hundred seventeen".